vertical spinning

Tornadoes are vertical funnels of rapidly spinning air.

龙卷风是一种垂直、呈漏斗状的迅速旋转的气流.

The influences of spinning speed, bonding area and roller pressure on the permeability performance of PET spun-bonded prefabricated vertical drain filters were tested and analyzed.

测试和分析了纺丝速度、轧点面积和轧辊压力对纺粘热轧滤膜透水率的影响。

The international monofilament horizontal spinning and vertical spinning technologies were introduced in details.

详述了国外立式纺和卧式纺单丝技术.

Advanced vertical lathing and milling composite machining center is a kind of crucial equipment influencing on national economy and security and is extensively applied to many fields, such as military industry, aerospace, automobile, shipbuilding, power generation, spinning, mould making and so on.

高档立式铣车复合加工中心广泛应用在军工、航空航天、汽车、造船、发电、纺织、模具制造等制造行业，是影响国计民生、国家安全的重要装备。